USPC Class Details – HistoricIP

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(300) computer, data processor equipment (314) desktop type (315) laptop type (323) side loading

Hierarchy/Derived subclasses

D14 / 300	-> 314	-> 315	-> 323	-> 324
				-> 325	-> 326

uspto searches

Patent Apps in D14/323

Granted Patents in D14/323

Use the links above or do an advanced search in ppubs for:
(D14/323.ccls. or D14/324.ccls. or D14/325.ccls. or D14/326.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.